Seiko Cal. 4445 - 639

The 4445-639 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-c2acd79ad2fd]

Also known as: Panda, Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1972

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